by Erik Marsja | Feb 14, 2021 | Programming, R
In this guide you will learn how to concatenate two columns in R. In fact, you will learn how to merge multiple columns in R using base R (e.g., using the paste function) and Tidyverse (e.g. using str_c() and unite()). In the final section of this post, you will learn...
by Erik Marsja | Jan 18, 2021 | Programming, R
In this short tutorial, you will learn how to find the five-number summary statistics in R. Specifically, in this post we will calculate: MinimumLower-hingeMedianUpper-hingeMaximum Now, we will also visualize the five-number summary statistics using a boxplot. First,...
by Erik Marsja | Jan 2, 2021 | Programming, R
In this very short tutorial, you will learn by example how to use the operator $ in R. First, we will learn what the $ operator does by getting the answer to some frequently asked questions. Second, we will work with a list that we create, and use the dollar sign...
by Erik Marsja | Dec 10, 2020 | Programming, R
In this data science tutorial, you will learn how to rename a column (or multiple columns) in R using base functions as well as dplyr. Renaming columns in R is a very easy task, especially using the rename() function. Now, renaming a column with dplyr and the rename()...
by Erik Marsja | Dec 4, 2020 | Programming, R
In this data science tutorial, you will learn how to get the absolute value in R. Specifically, you will learn how to get the absolute value using the built-in function abs(). As you may already suspect, using abs() is very easy and to take the absolute value from...
by Erik Marsja | Nov 24, 2020 | Programming, R
In this R tutorial, you will learn how to select columns in a dataframe. First, we will use base R, in a number of examples, to choose certain columns. Second, we will use dplyr to get columns from the dataframe. Outline In the first section, we are going to have a...
